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Arthur J. Gallagher & Co.

AJG
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000354190

In the last 90 days, Arthur J. Gallagher & Co. insiders filed 0 open-market purchases and 4 sales; 1,295 institutions reported holding it in 13F filings for Q2 2026, worth $54.7B in total; no superinvestor holds it.

13F holders, Q1 2024

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,130
+59 vs. Q4 2023
Shares held
186.3M
−25.9K (0.0%) vs. Q4 2023
Total value
$46.5B
+$4.65B (+11.1%) vs. Q4 2023
New holders
135
432 more added
Sold out
76
398 more reduced

11 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AJG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 1,130 institutions
Q1 2021: 732 institutionsQ2 2021: 779 institutionsQ3 2021: 775 institutionsQ4 2021: 854 institutionsQ1 2022: 817 institutionsQ2 2022: 823 institutionsQ3 2022: 865 institutionsQ4 2022: 921 institutionsQ1 2023: 951 institutionsQ2 2023: 976 institutionsQ3 2023: 999 institutionsQ4 2023: 1,082 institutionsQ1 2024: 1,130 institutionsQ2 2024: 1,153 institutionsQ3 2024: 1,203 institutionsQ4 2024: 1,325 institutionsQ1 2025: 1,360 institutionsQ2 2025: 1,380 institutionsQ3 2025: 1,342 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ1 2024: $46.5B
Q1 2021: $20.6BQ2 2021: $24.6BQ3 2021: $26.3BQ4 2021: $30.1BQ1 2022: $31.0BQ2 2022: $29.1BQ3 2022: $31.2BQ4 2022: $34.1BQ1 2023: $34.7BQ2 2023: $39.9BQ3 2023: $42.3BQ4 2023: $41.9BQ1 2024: $46.5BQ2 2024: $49.1BQ3 2024: $52.8BQ4 2024: $65.9BQ1 2025: $79.0BQ2 2025: $72.9BQ3 2025: $69.7BQ4 2025: $60.6BQ1 2026: $49.7BQ2 2026: $54.7B
Institutions holding AJG and their total value by quarter
QuarterHoldersValue
Q2 20261,295$54.7B
Q1 20261,248$49.7B
Q4 20251,299$60.6B
Q3 20251,342$69.7B
Q2 20251,380$72.9B
Q1 20251,360$79.0B
Q4 20241,325$65.9B
Q3 20241,203$52.8B
Q2 20241,153$49.1B
Q1 20241,130$46.5B
Q4 20231,082$41.9B
Q3 2023999$42.3B
Q2 2023976$39.9B
Q1 2023951$34.7B
Q4 2022921$34.1B
Q3 2022865$31.2B
Q2 2022823$29.1B
Q1 2022817$31.0B
Q4 2021854$30.1B
Q3 2021775$26.3B
Q2 2021779$24.6B
Q1 2021732$20.6B

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2023.

Institutions holding AJG in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc25,415,518$6.35B0.13%−137,932−0.5%Reduced
BlackRock Inc.17,279,335$4.32B0.10%−135,975−0.8%Reduced
Capital International Investors11,050,941$2.76B0.56%+727,325+7.0%Added
FMR LLC10,100,875$2.53B0.17%−182,875−1.8%Reduced
State Street Corp8,921,232$2.23B0.10%+30,605+0.3%Added
Morgan Stanley6,263,306$1.57B0.13%+43,539+0.7%Added
Norges Bank5,681,741$1.42B0.22%−136,100−2.3%Reduced
Geode Capital Management, LLC5,241,978$1.31B0.12%+247,808+5.0%Added
Capital World Investors4,832,060$1.21B0.20%+398,350+9.0%Added
JPMorgan Chase & Co4,535,511$1.13B0.10%−280,952−5.8%Reduced
Massachusetts Financial Services Co2,949,319$737.4M0.22%−2,106,400−41.7%Reduced
WCM Investment Management, LLC2,624,447$656.2M1.56%+14,366+0.6%Added
Baillie Gifford & Co2,554,031$638.6M0.50%−159,678−5.9%Reduced
Brown Advisory Inc2,322,822$580.8M0.78%+939,342+67.9%Added
Invesco Ltd.2,280,321$570.2M0.12%−84,470−3.6%Reduced
Northern Trust Corp1,920,954$480.3M0.08%−124,435−6.1%Reduced
Charles Schwab Investment Management Inc1,845,144$454.5M0.10%−3,735−0.2%Reduced
Boston Partners1,611,299$402.2M0.48%+38,886+2.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.1,567,867$392.0M0.54%+79,271+5.3%Added
Bank of New York Mellon Corp1,495,364$373.9M0.07%−63,730−4.1%Reduced
Brown Brothers Harriman & Co1,491,776$373.0M2.86%−20,113−1.3%Reduced
Envestnet Asset Management Inc1,359,699$340.0M0.13%+81,452+6.4%Added
Legal & General Group Plc1,297,606$324.5M0.09%−13,368−1.0%Reduced
Findlay Park Partners LLP1,290,001$322.6M2.96%−22,900−1.7%Reduced
California Public Employees Retirement System1,262,410$315.7M0.22%−31,135−2.4%Reduced
FIL Ltd1,252,053$313.1M0.31%−90,988−6.8%Reduced
Janus Henderson Group PLC1,228,266$307.1M0.17%+790,467+180.6%Added
Goldman Sachs Group Inc1,189,515$297.4M0.06%−144,700−10.8%Reduced
Wellington Management Group LLP1,184,191$296.1M0.05%−144,375−10.9%Reduced
UBS Asset Management Americas Inc1,058,233$264.6M0.09%−69,011−6.1%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main966,686$241.7M0.28%+22,585+2.4%Added
T. Rowe Price Investment Management, Inc.950,271$237.6M0.15%+712,855+300.3%Added
Bank of America Corp915,335$228.9M0.02%+121,995+15.4%Added
Bessemer Group Inc854,537$213.7M0.39%−82,704−8.8%Reduced
Mawer Investment Management Ltd.847,670$212.0M0.98%−57,230−6.3%Reduced
Barclays PLC844,633$211.2M0.10%+103,303+13.9%Added
Artisan Partners Limited Partnership770,021$192.5M0.28%−77,677−9.2%Reduced
Beck Mack & Oliver LLC761,399$190.4M3.86%+54,295+7.7%Added
Guinness Asset Management LTD761,533$190.4M3.96%−10,570−1.4%Reduced
TD Asset Management Inc737,335$184.4M0.17%+106,289+16.8%Added
Voya Investment Management LLC714,535$178.4M0.17%−34,872−4.7%Reduced
Allianz Asset Management GmbH695,248$173.8M0.29%−16,680−2.3%Reduced
Nuveen Asset Management, LLC660,909$165.3M0.05%+41,977+6.8%Added
American Century Companies Inc655,633$163.9M0.10%−72,802−10.0%Reduced
Swiss National Bank646,600$161.7M0.11%−27,300−4.1%Reduced
Royal Bank of Canada638,967$159.8M0.04%−28,503−4.3%Reduced
Champlain Investment Partners, LLC620,010$155.0M0.89%−17,725−2.8%Reduced
Dimensional Fund Advisors LP608,592$152.2M0.04%+7,975+1.3%Added
Burgundy Asset Management Ltd.556,521$139.2M1.43%+5,910+1.1%Added
Chilton Investment Co LLC552,452$138.1M3.79%+67,904+14.0%Added
Sumitomo Mitsui Trust Holdings, Inc.519,334$129.9M0.09%+5,553+1.1%Added
Mercer Global Advisors Inc518,261$129.6M0.37%+782+0.2%Added
Bank Julius Baer & Co. Ltd, Zurich516,950$128.8M0.49%+38,718+8.1%Added
Franklin Resources Inc513,963$128.5M0.04%−21,886−4.1%Reduced
Global Retirement Partners, LLC505,873$126.5M4.72%−9,374−1.8%Reduced
Fort Pitt Capital Group, LLC492,697$123.2M3.80%+4,053+0.8%Added
Zacks Investment Management479,034$119.8M1.28%+5,983+1.3%Added
UBS Group AG470,221$117.6M0.04%+108,780+30.1%Added
Axiom Investors LLC439,156$109.8M0.99%−176,590−28.7%Reduced
Price T Rowe Associates Inc435,575$108.9M0.01%−111,064−20.3%Reduced
Rhumbline Advisers431,927$108.0M0.10%+25,510+6.3%Added
Fenimore Asset Management Inc417,296$104.3M2.20%−7,534−1.8%Reduced
Regions Financial Corp415,297$103.8M0.79%−4,191−1.0%Reduced
Lord, Abbett & Co. LLC404,534$101.2M0.33%−11,001−2.6%Reduced
National Pension Service402,401$100.6M0.12%+10,414+2.7%Added
Cooper Investors Pty Ltd396,453$99.1M5.71%−36,449−8.4%Reduced
Amundi415,726$97.3M0.04%−147,314−26.2%Reduced
Mitsubishi UFJ Trust & Banking Corp379,873$95.0M0.22%−38,280−9.2%Reduced
Nissay Asset Management Corp366,347$91.6M0.63%+101,602+38.4%Added
Close Asset Management Ltd356,610$89.1M3.26%+2,960+0.8%Added
Raymond James & Associates355,151$88.8M0.06%+27,367+8.3%Added
Credit Suisse AG350,084$87.5M0.08%−18,310−5.0%Reduced
Deutsche Bank AG348,455$87.1M0.04%−43,786−11.2%Reduced
California State Teachers Retirement System341,416$85.4M0.11%+2,527+0.7%Added
Natixis Advisors, L.P.338,081$84.5M0.19%−22,672−6.3%Reduced
Aviva PLC332,475$83.1M0.27%−25,423−7.1%Reduced
BNP Paribas Arbitrage, SA327,324$81.8M0.10%+136,835+71.8%Added
Manufacturers Life Insurance Company, The326,548$81.6M0.08%−42,909−11.6%Reduced
HSBC Holdings PLC325,757$81.4M0.06%−44,841−12.1%Reduced
Westwood Holdings Group Inc.320,190$80.1M0.63%−15,152−4.5%Reduced
Congress Asset Management Co320,173$80.1M0.57%+15,048+4.9%Added
Woodline Partners LP314,492$78.6M0.73%+314,492New
Ci Investments Inc.311,852$78.0M0.31%+150,303+93.0%Added
Welch & Forbes LLC310,421$77.6M1.07%+9,293+3.1%Added
Kornitzer Capital Management Inc307,254$76.8M1.41%−4,120−1.3%Reduced
Wells Fargo & Company299,574$74.9M0.02%+32,079+12.0%Added
Westfield Capital Management Co LP291,382$72.9M0.38%−77,594−21.0%Reduced
Balyasny Asset Management LLC288,676$72.2M0.19%+259,953+905.0%Added
Woodley Farra Manion Portfolio Management Inc272,117$68.0M3.75%−2,759−1.0%Reduced
Principal Financial Group Inc270,900$67.7M0.04%+5,240+2.0%Added
Mountain Pacific Investment Advisers Inc263,578$65.9M3.68%−1,890−0.7%Reduced
APG Asset Management N.V.281,035$65.1M0.11%+4,800+1.7%Added
Bank of Montreal250,136$62.6M0.03%+12,684+5.3%Added
Alliancebernstein L.P.249,845$62.5M0.02%−17,856−6.7%Reduced
Comerica Bank248,628$62.2M0.27%−2,941−1.2%Reduced
King Luther Capital Management Corp246,247$61.6M0.28%+9,327+3.9%Added
Qube Research & Technologies Ltd244,946$61.2M0.11%+81,886+50.2%Added
Welch Group, LLC241,817$60.5M3.00%−14,115−5.5%Reduced
Capital Group Private Client Services, Inc.231,338$57.8M0.59%−19,799−7.9%Reduced
Employees Retirement System of Texas223,000$55.8M0.61%00.0%Unchanged